CN113676821A - Composite cone and production process thereof - Google Patents
Composite cone and production process thereof Download PDFInfo
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- CN113676821A CN113676821A CN202110821591.9A CN202110821591A CN113676821A CN 113676821 A CN113676821 A CN 113676821A CN 202110821591 A CN202110821591 A CN 202110821591A CN 113676821 A CN113676821 A CN 113676821A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims description 27
- 230000008093 supporting effect Effects 0.000 claims abstract description 72
- 238000009434 installation Methods 0.000 claims abstract description 21
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 22
- 239000002994 raw material Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 19
- 239000002002 slurry Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000007731 hot pressing Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 244000146553 Ceiba pentandra Species 0.000 claims description 8
- 235000003301 Ceiba pentandra Nutrition 0.000 claims description 8
- 244000025254 Cannabis sativa Species 0.000 claims description 7
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 7
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 7
- 235000009120 camo Nutrition 0.000 claims description 7
- 235000005607 chanvre indien Nutrition 0.000 claims description 7
- 239000011487 hemp Substances 0.000 claims description 7
- 210000002268 wool Anatomy 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000003313 weakening effect Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241000332382 Ceiba Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The application discloses compound sound basin and production technology thereof relates to the field of sound basin production technology, and it includes the basin body, the basin body includes paper layer and supporting layer, paper layer and supporting layer gluing connection, the week side of the basin body is encircleed and is installed the installation ring. The sound basin has the advantages that the phenomenon that the sound basin is softened after being wetted is reduced, and the sound basin is favorable for weakening the reduction degree of the sound quality of the sound basin.
Description
Technical Field
The application relates to the field of sound cone production technology, in particular to a composite sound cone and a production process thereof.
Background
The cone is one of the important components in the loudspeaker, and mainly comprises a cone, a bulletproof cloth cone, a wool cone, a ceramic cone and a PP (polypropylene) cone, wherein the cone has low cost, but has good sound performance and high sensitivity, so the cone is most widely applied.
At present, in the production of a paper basin, paper materials are soaked firstly, are smashed by smashing equipment, are made into paper by a mould, and are finally formed into a stable paper basin through hot pressing. In order to reduce the damage of the paper cone caused by moisture, glue is often coated on the surface of the paper cone to isolate the paper cone from air.
In view of the above-mentioned related art, the inventors believe that there is a situation where the cone is easily wetted in a humid environment, causing the cone to soften, and causing a serious deterioration in sound quality, and there is a room for improvement.
Disclosure of Invention
In order to improve the condition that the cone is easily damped and softened and causes serious quality reduction in the related art, the application provides a composite cone and a production process thereof.
In a first aspect, the composite cone and the production process thereof provided by the application adopt the following technical scheme:
the utility model provides a compound sound basin, includes the basin body, the basin body includes paper layer and supporting layer, paper layer and supporting layer gluing connection, the week side of the basin body still installs the installation ring circle.
Through adopting above-mentioned technical scheme, support the paper layer by the supporting layer, help reducing the soft condition of sound basin after weing to take place to help weakening the decline degree of sound quality of sound basin.
Preferably, the support layer is a plastic layer.
Through adopting above-mentioned technical scheme, the plastic layer possesses good supporting effect to can separate apart air and paper layer and be close to a supporting layer side, help guaranteeing the supporting effect to paper layer, delay the condition that paper layer dampened simultaneously and take place.
Preferably, the outer diameter of supporting layer is greater than the outer diameter on paper layer, the outside that the supporting layer is located paper layer is formed with the connection annular groove, the inboard shaping of installation ring circle has the connection ring limit, connect in the ring groove and with the supporting layer bonding fixed of ring limit embedding.
Through adopting above-mentioned technical scheme, in will connecting the ring limit embedding annular and be connected with the supporting layer, help guaranteeing the stability that installation ring circle and basin body are connected.
Preferably, one side of the paper layer close to the support layer is formed with a bump, and the bump is embedded into the support layer.
Through adopting above-mentioned technical scheme, help further promoting the compactness of being connected between paper layer and the supporting layer.
In a second aspect, the present application provides a composite cone and a production process thereof, comprising the following steps:
s1, preparing, namely respectively placing a plurality of raw material materials into different water pools for soaking;
s2, pulping, namely respectively smashing the soaked materials to form slurry;
s3, proportioning, namely, fishing out the materials in the multiple kinds of slurry in a water-controlled manner, and preparing and combining the materials in proportion by using a weighing mode to form paper layer raw materials;
s4, paper making operation, namely putting the paper layer raw material into water solution and stirring to form raw material slurry; then, immersing the paper into the raw material slurry through a cone-shaped paper making mould to make paper, thereby forming an initial paper layer;
s5, hot pressing operation, applying pressure and temperature to the initial paper layer to press out the moisture in the initial paper layer and solidify the moisture, thereby solidifying the paper layer;
s6, drying, namely drying the paper layer to reduce the moisture of the paper layer and keep the paper layer at a higher temperature;
s7, combining the operation,
s7.1, heating the supporting layer, placing the paper layer on the supporting layer, and applying pressure to the paper layer to bond the supporting layer and the paper layer;
s7.2, heating the connecting ring edges of the supporting layer and the installation ring, and applying pressure to the connecting ring edges of the supporting layer and the installation ring to bond the supporting layer and the connecting ring edges of the installation ring;
and S8, finally forming, and cooling and drying the basin body to obtain the finished loudspeaker cone.
Through adopting above-mentioned technical scheme, on the one hand, realize guaranteeing the firm connection between supporting layer and the paper layer to the normal production operation of compound sound basin, guarantee the firm connection between installation ring circle and the supporting layer. Meanwhile, the paper layer is supported by the supporting layer, so that the phenomenon that the sound cone is softened after being wetted is reduced, and the degree of reduction of the sounding quality of the sound cone is weakened;
on the other hand, the paper layer has a certain temperature, and is easier to be bonded with the supporting layer in the bonding process of the paper layer and the supporting layer, and the connection tightness between the supporting layer and the paper layer is improved.
Preferably, in S5, the paper layer is hot-pressed by a hot press, where the hot press includes an upper die and a lower die, the lower die is provided with a groove adapted to the shape of the paper layer, and the upper die is formed with a protrusion adapted to the shape of the paper layer.
Through adopting above-mentioned technical scheme, by the recess of lower mould and the protruding cooperation of last mould, realize the solidification operation to the paper layer, can guarantee the homogeneity that the paper layer pressurized and was heated simultaneously to help guaranteeing the whole vocal effect behind the shaping of paper layer.
Preferably, the side wall of the groove of the lower die is provided with a concave point for forming a convex point.
By adopting the technical scheme, based on the concave points on the side wall of the groove, in the process that the upper die and the lower die extrude the paper layer, the parts of the paper layer corresponding to the concave points are protruded towards the concave points, and the convex points are formed, so that the forming operation of the convex points on the paper layer is realized, and the tightness of connection after the paper layer is connected with the supporting layer is favorably ensured;
simultaneously, based on the heating to the supporting layer for the supporting layer softens, and the bump on the paper layer can be and comparatively easy embedding to the supporting layer in, and help guaranteeing the compactness of connecting between paper layer and the supporting layer.
Preferably, the temperatures of the upper and lower molds of the hot press are controlled at 165-185 degrees, the pressure between the upper and lower molds is controlled at 2.5-3.5kg, and the hot pressing time of the upper and lower molds to the paper layer is 2-4 minutes in S5.
Through adopting above-mentioned technical scheme, under this condition, can guarantee the thickness on paper layer to guarantee the density on paper layer self and two solidification effects, make the paper layer possess good emergence performance.
Preferably, in S1, the plurality of materials include hemp and kapok;
in S3, the ratio of hemp pulp to kapok is 2: 1;
in S4, wool fibers are mixed into the raw material slurry at the same time.
By adopting the technical scheme, on one hand, the ratio of the weight is 2: the fibrilia and the kapok of the 1 form the main materials of the paper layer, so that the good sounding quality can be ensured under the condition of ensuring lower cost, and the stability of curing of the paper layer after hot pressing can be ensured;
on the other hand, the wool is limited and mixed into the paper layer, so that the connection tightness among all parts of the paper layer can be enhanced, and the stability of solidification of the paper layer after hot pressing is further improved.
Preferably, in S7.1, a sticky glue is applied to one side surface of the paper layer close to the supporting layer, and then the supporting layer and the paper layer are glued together;
in S7.2, glue is coated on one side face, attached to the supporting layer, of the connecting ring edge, and then the supporting layer and the installation ring are connected.
Through adopting above-mentioned technical scheme, by glue bonding supporting layer and paper layer, supporting layer and installation ring circle, can further promote the compactness of supporting layer and paper layer connection, the compactness of supporting layer and installation ring circle connection.
In summary, the present application includes at least one of the following beneficial technical effects:
the paper layer is supported by the supporting layer, so that the phenomenon that the cone is softened after being wetted is reduced, and the reduction degree of the sounding quality of the cone is weakened;
the salient points on the paper layer are embedded into the support layer, the glue is coated on the paper layer, and the support layer and the paper layer are bonded through the glue, so that the connection tightness between the support layer and the paper layer is improved.
Drawings
FIG. 1 is an axial view of the present embodiment mainly showing the overall structure of the composite cone;
FIG. 2 is a schematic view of the composite cone manufacturing process according to this embodiment;
fig. 3 is an axial view of the present embodiment mainly showing the structure of the hot press;
fig. 4 is a schematic diagram mainly showing a structure of an upper die of the hot press according to this embodiment.
Reference numerals: 1. a pot body; 11. a paper layer; 12. a support layer; 13. a connecting ring groove; 2. installing a ring; 21. connecting the ring edges; 3. a waterproof glue layer; 4. a frame; 41. an oil cylinder; 5. a lower die; 51. a groove; 6. an upper die; 61. a protrusion; 7. a heating rod.
Detailed Description
The present application is described in further detail below.
The embodiment of the application discloses a composite cone and a production process thereof.
Example (b):
referring to fig. 1, the composite sound basin comprises a basin body 1, wherein the basin body 1 is integrally in a horn shape. The pot body 1 comprises a paper layer 11 and a support layer 12, the support layer 12 is sleeved on the outer side of the paper layer 11, and the paper layer 11 is fixedly connected with the support layer 12. The periphery of the pot body 1 is provided with an installation ring 2. In practical application, the installation ring 2 is used for installing the basin body 1 on the horn bracket, and the supporting layer 12 supports the paper layer 11, so that the reduction degree of the sounding quality of the damped basin is reduced.
Specifically, the support layer 12 is a plastic layer, preferably PP. The side shaping that paper layer 11 is close to supporting layer 12 has the bump, and the bump is provided with a plurality of around the even interval of paper layer 11 axis in paper layer 11, and arbitrary bump all imbeds to supporting layer 12 in, and the one side coating that paper layer 11 is close to supporting layer 12 has glue, and paper layer 11 glues through glue and glues on supporting layer 12.
The outer diameter of the support layer 12 is larger than that of the paper layer 11, and a connecting ring groove 13 is formed on the outer side of the paper layer 11 of the support layer 12. The inner ring of the mounting ring 2 is coaxially formed with a connecting ring edge 21, the connecting ring edge 21 is embedded into the connecting ring groove 13, and the inner edge of the connecting ring edge 21 abuts against the outer edge of the paper layer 11. One side of the connecting annular edge 21 abutting against the supporting layer 12 is coated with glue, and the connecting annular edge 21 is adhered to the supporting layer 12 through the glue.
Meanwhile, one side of the paper layer 11 departing from the support layer 12 is coated with the waterproof glue layer 3, and the waterproof glue layer 3 covers the joint of the connecting annular edge 21 and the paper layer 11.
The implementation principle of the composite cone and the production process thereof in the embodiment of the application is as follows: in practical application, the waterproof structure of the paper layer 11 is formed by the waterproof glue layer 3 and the supporting layer 12, so that the occurrence of moisture regain and softening of the paper layer 11 is reduced; when the paper layer 11 is moistened and softened, the supporting layer 12 supports the paper layer 11, so that the reduction degree of the sound production quality of the sound basin is reduced, and the sound of the sound basin is ensured to be normal.
The embodiment of the application also discloses a compound cone production process, and in this embodiment, the supporting layer 12 and the installation ring 2 are generally formed by sheet punching or injection molding, and the process is simpler and is not described in detail in this embodiment.
Referring to fig. 2, the production process of the composite cone comprises the following steps:
and S1, performing preparation work, namely respectively placing a plurality of raw material materials into different water pools for soaking. In this embodiment, the plurality of materials include hemp fiber and kapok, and the ratio of the hemp fiber to the kapok is 2: 1. wherein, the fibrilia and the kapok fiber are both in sheet shape and are soaked in water for 1 to 2 hours, preferably 1 hour;
and S2, pulping, namely fishing out the soaked raw materials from the water tank, manually tearing the raw materials into small pieces by workers, and respectively smashing the soaked raw materials by a stirrer to form slurry.
S3, proportioning, namely fishing out the materials in the slurry after controlling water, and fishing out the materials through a fishing net; then the pressing plate is driven by the cylinder to carry out water pressing operation on the stacked materials, so that the moisture is further controlled, and the materials are separately stored. During proportioning, the materials are proportioned and combined in proportion by a weighing mode to form a paper layer 11 raw material, and the weight proportion of the fibrilia and the ceiba is 2: 1 in proportion;
s4, paper making operation, namely, adding the proportioned raw materials of the paper layer 11 into water solution, and stirring the mixture by a stirrer to form raw material slurry; in the process, wool fibers are mixed into the raw material slurry at the same time, and the weight ratio of the hemp fibers to the wool fibers is 10: 1, preparing wool fibers and uniformly stirring.
Then, immersing the paper into the raw material slurry through a cone-shaped paper making mould to make paper, thereby forming an initial paper layer 11; in the process, the paper making mould adopts the cone-shaped gauze which is hard, and the cone-shaped bulges can be adopted to support the gauze so as to ensure the stability of the gauze.
S5, performing a hot pressing operation to apply pressure and temperature to the initial paper layer 11 to press out moisture in the initial paper layer 11 and solidify the same, thereby solidifying the paper layer 11;
referring to fig. 3 and 4, in the process, a hot press is used for hot pressing the paper layer 11, wherein the hot press includes a frame 4, and an upper die 6 and a lower die 5 which are arranged on the frame 4, the lower die 5 is fixed on the frame 4, an oil cylinder 41 is further erected on the upper side of the frame 4, a piston rod of the oil cylinder 41 is vertically arranged downwards, and the upper die 6 is fixed on the lower side of the piston rod of the oil cylinder 41. The lower die 5 is provided with a groove 51 adapted to the shape of the paper layer 11, and the upper die 6 is formed with a protrusion 61 adapted to the shape of the paper layer 11.
Meanwhile, the upper die 6 and the lower die 5 are both provided with heating rods 7 in a penetrating way.
In practical application, the paper making die is turned over, so that the paper layer 11 on the paper making die faces downwards, the paper making die and the paper layer 11 are quickly pressed into the groove 51 vertically downwards, the paper making die is suddenly stopped, and the paper layer 11 falls into the groove 51 under downward inertia; then, the upper die 6 is pushed down by the oil cylinder 41 to apply pressure to the paper layer 11. At the same time, heat is generated by the heating rod 7, and heat is transferred to the paper layer 11 through the upper die 6 and the lower die 5. For the control of the hot press, the temperature of the upper die 6 and the lower die 5 of the hot press is controlled at 165-185 degrees, preferably 170 degrees, the pressure between the upper die 6 and the lower die 5 is controlled at 2.5-3.5kg, preferably 3kg, and the hot pressing time of the upper die 6 and the lower die 5 on the paper layer 11 is 2-4 minutes, preferably 3 minutes.
And S6, drying, namely placing the paper layer 11 on a placing table or a conveying belt after the paper layer 11 is subjected to hot-pressing solidification, and drying the paper layer 11 by adopting a fan to reduce the moisture of the paper layer 11. In the process, the heater is adopted to heat the airflow sent by the fan, so that the drying speed is increased, the paper layer 11 is kept at a higher temperature, and the next step is facilitated;
s7, combining the operation,
s7.1, firstly, coating adhesive glue on one side surface, close to the supporting layer 12, of the paper layer 11, heating the surface of the supporting layer 12, placing the paper layer 11 on the supporting layer 12, and applying pressure to the paper layer 11 to enable the supporting layer 12 and the paper layer 11 to be adhered; in the process, a hot press can be selected, the supporting layer 12 is placed in the groove 51, the lower die 5 heats the supporting layer 12, then the paper layer 11 is placed on the upper side of the supporting layer 12, and the upper die 6 presses down the paper layer 12 to enable the supporting layer 12 and the paper layer 11 to be stably bonded.
S7.2, firstly coating glue on one side face, attached to the supporting layer 12, of the connecting ring edge 21, heating the supporting layer 12 and the connecting ring edge 21 of the installation ring 2, and applying pressure to the supporting layer 12 and the connecting ring edge 21 of the installation ring 2 to enable the supporting layer 12 and the connecting ring edge 21 of the installation ring 2 to be bonded; in the process, a hot press can be selected, the pot body 1 is placed in the groove 51, the lower die 5 heats the connecting ring edge 21 of the support layer 12 and the installation ring 2, and the upper die 6 presses down to stably bond the connecting ring edge 21 of the support layer 12 and the installation ring 2.
S7.3, coating waterproof glue on one side of the paper layer 11 departing from the support layer 12 to form a waterproof glue layer 3, wherein the waterproof glue layer 3 covers the joint of the connecting annular edge 21 and the paper layer 11.
And S8, finally forming, and cooling and drying the basin body 1 to obtain the finished loudspeaker cone.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A composite cone is characterized in that: including the basin body (1), the basin body (1) is including paper layer (11) and supporting layer (12), paper layer (11) and supporting layer (12) gluing connection, the week side of the basin body (1) is encircleed and is installed installation ring circle (2).
2. A composite cone as claimed in claim 1, wherein: the support layer (12) is a plastic layer.
3. A composite cone as claimed in claim 1, wherein: the outer diameter of supporting layer (12) is greater than the outer diameter on paper layer (11), the outside that supporting layer (12) are located paper layer (11) is formed with connection annular groove (13), the inboard shaping of installation ring circle (2) has connection ring limit (21), connect in the ring limit (21) embedding connection annular groove (13) and with supporting layer (12) bonding fixed.
4. A composite cone as claimed in claim 1, wherein: and salient points are formed on one side, close to the supporting layer (12), of the paper layer (11), and the salient points are embedded into the supporting layer (12).
5. A production process of a composite cone is characterized by comprising the following steps: the method comprises the following steps:
s1, preparing, namely respectively placing a plurality of raw material materials into different water pools for soaking;
s2, pulping, namely respectively smashing the soaked materials to form slurry;
s3, proportioning, namely fishing out the materials in the slurry in a water-controlled manner, and preparing and combining the materials in proportion by using a weighing mode to form the raw material of the paper layer (11);
s4, paper making operation, namely, putting the raw material of the paper layer (11) into water solution, and stirring to form raw material slurry; then, the paper is dipped into the raw material slurry through a cone-shaped paper making mould to make paper, so that an initial paper layer (11) is formed;
s5, hot pressing operation, applying pressure and temperature to the initial paper layer (11), pressing out the moisture in the initial paper layer (11), and solidifying the moisture, thereby solidifying the paper layer (11);
s6, drying, namely drying the paper layer (11), reducing the moisture of the paper layer (11), and keeping the paper layer (11) at a higher temperature;
s7, combining the operation,
s7.1, heating the support layer (12), placing the paper layer (11) on the support layer (12), and applying pressure to the paper layer (11) to enable the support layer (12) and the paper layer (11) to be bonded;
s7.2, heating the support layer (12) and the connecting ring edge (21) of the mounting ring (2), and applying pressure to the support layer (12) and the connecting ring edge (21) of the mounting ring (2) to enable the support layer (12) and the connecting ring edge (21) of the mounting ring (2) to be bonded;
and S8, finally forming, and cooling and drying the basin body (1) to obtain the finished loudspeaker cone.
6. The composite cone and the production process thereof according to claim 1, wherein the composite cone comprises: in S5, the paper layer (11) is hot-pressed by a hot press, wherein the hot press comprises an upper die (6) and a lower die (5), a groove (51) matched with the shape of the paper layer (11) is formed in the lower die (5), and a protrusion (61) matched with the shape of the paper layer (11) is formed in the upper die (6).
7. The composite cone and the production process thereof according to claim 6, wherein the composite cone comprises: concave points for forming convex points are arranged on the side wall of the groove (51) of the lower die (5).
8. The composite cone and the production process thereof according to claim 1, wherein the composite cone comprises: in S5, the temperature of the upper die (6) and the lower die (5) of the hot press is controlled at 165-185 ℃, the pressure between the upper die (6) and the lower die (5) is controlled at 2.5-3.5kg, and the hot pressing time of the upper die (6) and the lower die (5) on the paper layer (11) is 2-4 minutes.
9. The composite cone and the production process thereof according to claim 1, wherein the composite cone comprises: at S1, the plurality of materials includes hemp and kapok;
in S3, the ratio of hemp pulp to kapok is 2: 1;
in S4, wool fibers are mixed into the raw material slurry at the same time.
10. The composite cone and the production process thereof according to claim 1, wherein the composite cone comprises: in S7.1, firstly coating adhesive glue on one side surface of the paper layer (11) close to the supporting layer (12), and then bonding the supporting layer (12) and the paper layer (11);
in S7.2, glue is coated on one side face, attached to the supporting layer (12), of the connecting ring edge (21), and then the connecting operation of the supporting layer (12) and the mounting ring (2) is carried out.
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| CN202110821591.9A CN113676821B (en) | 2021-07-20 | 2021-07-20 | Composite cone and production process thereof |
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| CN113676821B CN113676821B (en) | 2024-03-15 |
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2021
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| CN113676821B (en) | 2024-03-15 |
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